Vehicle-mounted black box data protection system and method

Abstract

The invention discloses a vehicle-mounted black box data protection system and method, and belongs to the technical field of automotive electronics and intelligent traffic. According to the system, high reliability is realized, and the data integrity of equipment in an extreme environment is ensured by adopting a protective shell made of an aviation-grade material; multi-dimensional data acquisition and integration are realized, and integration processing of multi-dimensional and multi-source data is realized through cooperative work of the signal conditioning circuit, the A / D converter and the FPGA; the independence and transparency are realized, third-party independent data output support is provided through a wireless channel and multiple physical interfaces, and the problem that an existing system cannot provide independent evidence is solved; efficient transmission and storage are realized, the data storage module adopts a hierarchical encryption storage design, data security is ensured, and meanwhile, multiple transmission modes are supported to quickly export data. The system not only improves the reliability and independence of vehicle-mounted data recording, but also provides powerful accident judgment support for the field of pilotless automobiles and low-altitude aircrafts.

Description

Technical Field

[0001] The present application relates to the field of automotive electronics and intelligent transportation technology, and in particular to a vehicle-mounted black box data protection system and method. Background Art

[0002] With the rapid development of new energy vehicles, smart cars, and driverless technology, traffic accidents are frequent. At the same time, the existing vehicle data management has the following defects: most of the driving data is currently protected by the car manufacturers, and there is a lack of independent third-party evidence after the accident. This situation makes it difficult to make transparent judgments on accidents, especially for driverless cars. The responsibility definition is even more complicated. In addition, data security requirements are becoming increasingly stringent, but there is a lack of unified standard data recording and evidence collection methods.

[0003] Based on this, we proposed a pilot cooperative control system that utilizes aircraft black box technology, aiming to improve the reliability of data protection, storage, and integration, while providing a strong third-party basis for accident responsibility determination. Summary of the invention

[0004] The embodiment of the present application provides a vehicle-mounted black box data protection system and method. The technical solution is as follows:

[0005] According to one aspect of the present application, a vehicle-mounted black box data protection system is provided, the system comprising: a protective housing 1, a wireless charging system 2, a data interface 3, a data acquisition module 4, a data storage module 5, and a data output port 6, wherein the wireless charging system 2 is provided with a charging coil and an internal circuit, and the data acquisition module 4 is provided with a signal conditioning circuit, an A / D converter, and an FPGA;

[0006] The data interface 3 is used to connect the external sensor and communicate with the data acquisition module 4. The signal output by the external sensor is pre-processed by the signal conditioning circuit and converted into a digital signal by the A / D converter and then sent to the data storage module 5. Finally, the data acquisition and storage process is coordinated by the FPGA.

[0007] The data storage module 5 is connected to the data output port 6 via an internal bus, and the data output port 6 is used to provide data transmission and output functions, and supports cloud upload and physical device connection;

[0008] The wireless charging system 2 is used to provide power for the entire system, the charging coil is connected to the internal circuit, and the wireless charging system 2 is also used to regulate and distribute the power to the data acquisition module 4, the data storage module 5 and the data output port 6;

[0009] The protective shell 1 is made of aviation-grade black box material and is used to protect all internal structures.

[0010] Optionally, the protective shell 1 adopts a layered design, including an explosion-proof pressure shell structure, an intermediate impact-resistant layer and an inner electromagnetic shielding layer;

[0011] The middle impact-resistant layer is made of high-energy absorbing material to absorb external impact energy; the inner electromagnetic shielding layer is used to prevent strong electromagnetic interference from affecting the normal operation of internal electronic equipment;

[0012] The seams of the protective shell 1 are made of high-strength sealing material;

[0013] The protective housing 1 also has heat dissipation holes and data interface openings reserved on the housing to ensure smooth data transmission;

[0014] The protective housing 1 is integrated with high-efficiency heat sinks and heat-insulating materials to ensure that the internal temperature does not exceed the tolerance range of the electronic components under high temperature conditions.

[0015] Optionally, the wireless charging system 2, the data interface 3, the data acquisition module 4, the data storage module 5 and the data output port 6 are installed in a shock-resistant suspension manner and are connected to the protective housing 1 through a flexible material, and the flexible material is used to reduce the direct force of external vibration and impact on the interior;

[0016] The wireless charging system 2, data interface 3, data acquisition module 4, data storage module 5 and data output port 6 adopt an independent compartment layout, and the independent compartment layout is used to ensure that damage to each component will not affect the functions of other components.

[0017] Optionally, the wireless charging system 2 uses electromagnetic induction technology to provide power without removing the housing;

[0018] In the structural design of the electromagnetic induction technology application, a part of the protective housing 1 is formed of a non-metallic material to form a non-metallic area, and the non-metallic material is used to allow the magnetic field of the external charging device to penetrate; a secondary charging coil is embedded in the inner side of the non-metallic area, and the secondary charging coil is aligned with the primary coil of the external charging device to achieve energy transfer;

[0019] A rectifier circuit and a voltage regulator circuit are provided immediately after the secondary charging coil and integrated into the wireless charging system 2 . The rectifier circuit and the voltage regulator circuit are used to convert the induced alternating current into direct current and supply power to each module of the system.

[0020] Optionally, the data interface 3 supports LIN bus and CAN bus protocols.

[0021] Optionally, the data acquisition module 4 collects the vehicle operation data obtained by the external sensor through the data interface 3, wherein the vehicle operation data is transmitted to the FPGA of the data acquisition module 4 through the CAN bus and LIN bus of the data interface 3 for formatting and integration, and the formatted and integrated data is transmitted by the FPGA to the data storage module 5 for encrypted storage.

[0022] Optionally, the data storage module 5 uses a high-reliability memory to store the collected multi-source data, and the data storage module 5 uses multiple encryption technologies to have anti-tampering and anti-counterfeiting functions;

[0023] The data storage module 5 is connected to the data acquisition module 4 via a high-speed SPI interface, and is also used to receive and store data in real time after connection;

[0024] The data storage module 5 also integrates a power-off protection circuit to ensure that data can be written completely when the power is cut off;

[0025] The data storage module 5 adopts a data backup mechanism, under which all data are written into the main storage chip and the backup storage chip at the same time;

[0026] The data storage module 5 is designed to be separated from the data output port 6, and the separation design is used to ensure that physical damage will not cause data leakage;

[0027] The data storage module 5 is also provided with an accident triggering protection mechanism, which is used for the system to automatically encrypt current data and lock the memory when an external collision or fire is triggered.

[0028] Optionally, the data output port 6 is used to provide data transmission and output functions, and supports cloud upload and physical device connection;

[0029] The data transmitted in the data output port 6 is uploaded to the cloud in real time through a wireless channel, or exported to a PC through a UART interface / USB port.

[0030] On the other hand, a vehicle-mounted black box data protection method is also provided, the method is used in any of the above-mentioned vehicle-mounted black box data protection systems, the method comprising:

[0031] When the vehicle is started, the wireless charging system starts to supply power, and the vehicle-mounted black box data protection system starts to initialize;

[0032] Detecting the state of the external sensor through the data interface and confirming the connection integrity of the data acquisition module;

[0033] By receiving the real-time data of the external sensor and analyzing the external environment through the data acquisition module, the system automatically enters a long-term monitoring state;

[0034] Collecting vehicle operation data transmitted from the data interface through the data acquisition module;

[0035] The collected vehicle operation data is transmitted back to the data collection module through the data interface for formatting and integration;

[0036] Preprocessing the vehicle operation data by the data acquisition module;

[0037] Encrypting and storing the processed vehicle operation data by the data storage module;

[0038] Upload the encrypted data to the cloud or physical device through the data output port.

[0039] Optionally, the method further includes:

[0040] In case of system power failure or severe impact, a power failure protection mechanism in the data storage module is activated;

[0041] Automatically lock the data of the preset time before and after the accident;

[0042] Export data through the data output port for third-party analysis.

[0043] Through various embodiments, it can be understood that the present application brings at least the following technical effects.

[0044] High reliability, using aviation-grade protective shell to ensure the data integrity of the equipment in extreme environments; multi-dimensional data acquisition and integration, through the coordinated work of signal conditioning circuits, A / D converters and FPGAs, to achieve the integration and processing of multi-dimensional and multi-source data; independence and transparency, providing third-party independent data output support through wireless channels and multiple physical interfaces to solve the problem that the existing system cannot provide independent evidence; efficient transmission and storage, the data storage module adopts a layered encryption storage design to ensure data security, and supports multiple transmission methods to quickly export data. This system not only improves the reliability and independence of vehicle data recording, but also provides strong accident judgment support for unmanned vehicles and low-altitude aircraft. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 It is a structural schematic diagram of a vehicle-mounted black box data protection system provided by an exemplary embodiment of the present application;

[0046] Figure 2 It is a schematic diagram of a data output method provided by an illustrative embodiment of the present application. DETAILED DESCRIPTION

[0047] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below with reference to the accompanying drawings.

[0048] The term "multiple" as used herein refers to two or more than two. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the related objects are in an "or" relationship.

[0049] Compared with the existing vehicle-mounted MCU system, this black box system has significant advantages in accident handling. Taking the fire accident of new energy vehicle battery as an example, the traditional vehicle-mounted MCU data is easily lost due to fire, and the cause of the accident is difficult to find out; while the high-temperature protective shell of this system ensures data integrity and provides reliable support for accident reconstruction. In addition, in multi-vehicle collision accidents, integrated data records can quickly clarify the responsibility of each vehicle and effectively reduce disputes.

[0050] The present invention is innovative and forward-looking in the field of data protection and accident determination, especially in the field of unmanned vehicles and low-altitude aircraft, and has great application potential. By introducing aircraft black box materials and technologies, the system provides technical support for national traffic management and data security, while enhancing consumers' confidence in automobile safety performance. In the future, this technology is expected to become an industry standard, laying the foundation for the further popularization of smart transportation and unmanned driving. The system and method are described in detail below through various embodiments.

[0051] Example 1

[0052] Please refer to Figure 1 and Figure 2 , which shows a schematic structural diagram of a vehicle-mounted black box data protection system provided by an exemplary embodiment of the present application, and Figure 2 It is a schematic diagram of a data output method provided by an illustrative embodiment of the present application.

[0053] The system includes a protective shell 1, a wireless charging system 2, a data interface 3, a data acquisition module 4, a data storage module 5, and a data output port 6, wherein the wireless charging system 2 is provided with a charging coil and an internal circuit, and the data acquisition module 4 is provided with a signal conditioning circuit, an A / D converter and an FPGA.

[0054] The data interface 3 is used to connect external sensors (such as radar, camera, BMS) and connect to the data acquisition module 4. The signal output by the external sensor is pre-processed by the signal conditioning circuit, including amplification, filtering and denoising, and the signal is converted into a digital signal through an A / D converter and sent to the data storage module 5. Finally, the data acquisition and storage process is coordinated through the FPGA.

[0055] The data storage module 5 is connected to the data output port 6 via an internal bus. The data output port 6 is used to provide data transmission and output functions and supports cloud upload and physical device connection.

[0056] The wireless charging system 2 is used to provide power for the entire system. The charging coil is connected to the internal circuit. The wireless charging system 2 is also used to regulate and distribute the power to the data acquisition module 4, the data storage module 5 and the data output port 6.

[0057] The protective housing 1 is made of aviation-grade black box material and is used to protect all internal structures.

[0058] Example 2

[0059] The following is a further description of each internal component.

[0060] The protective shell 1 adopts a layered design, including an explosion-proof pressure shell structure, an intermediate impact-resistant layer and an inner electromagnetic shielding layer.

[0061] The middle impact-resistant layer uses high-energy absorption material to absorb external impact energy; the inner electromagnetic shielding layer is used to prevent strong electromagnetic interference from affecting the normal operation of internal electronic equipment.

[0062] The joints of the protective housing 1 are made of high-strength sealing material.

[0063] The protective housing 1 also has heat dissipation holes and data interface openings reserved on the housing to ensure smooth data transmission.

[0064] The protective housing 1 is integrated with high-efficiency heat sinks and heat-insulating materials to ensure that the internal temperature does not exceed the tolerance range of the electronic components under high temperature conditions.

[0065] The above description is intended to illustrate how to achieve data integrity protection in extreme situations.

[0066] First is the multi-layer protection structure. The outer layer is made of aviation-grade black box materials, such as titanium alloy or high-temperature resistant composite materials, which can withstand high-temperature combustion above 1100°C; the middle impact-resistant layer is made of high-energy absorbing materials, such as foamed aluminum or honeycomb structure, to absorb external impact energy; the inner electromagnetic shielding layer is set to prevent strong electromagnetic interference from affecting the normal operation of internal electronic equipment.

[0067] The second is physical protection performance. The outer shell is designed as an explosion-proof pressure shell structure, and the internal components are installed in a shock-resistant suspension manner; the design adopts layered protection to resist direct puncture by sharp objects; the outer shell seams use high-strength sealing materials to support protection against immersion in 100-meter deep water for 240 hours.

[0068] The next step is the thermal management design. The shell is integrated with high-efficiency heat sinks and thermal insulation materials to ensure that the internal temperature does not exceed the tolerance range of electronic components under high temperature conditions.

[0069] Optionally, the wireless charging system 2, data interface 3, data acquisition module 4, data storage module 5 and data output port 6 are installed in a shock-resistant suspension manner and are connected to the protective housing 1 through a flexible material (such as silicone or rubber) buffer pad. The flexible material is used to reduce the direct force of external vibration and impact on the interior.

[0070] The wireless charging system 2, the data interface 3, the data acquisition module 4, the data storage module 5 and the data output port 6 adopt an independent compartment layout, and the independent compartment layout is used to ensure that damage to each component will not affect the functions of other components.

[0071] Optionally, the wireless charging system 2 uses electromagnetic induction technology to provide power without removing the casing.

[0072] In the structural design of the application of electromagnetic induction technology, part of the protective shell 1 is made of non-metallic material (such as ceramic or plastic) to form a non-metallic area, and the non-metallic material is used to allow the magnetic field of the external charging device to penetrate; a secondary charging coil is embedded on the inner side of the non-metallic area, and the secondary charging coil is aligned with the primary coil of the external charging device to achieve energy transfer.

[0073] A rectifier circuit and a voltage regulator circuit are provided immediately after the secondary charging coil and integrated into the wireless charging system 2 . The rectifier circuit and the voltage regulator circuit are used to convert the induced alternating current into direct current and supply power to each module of the system.

[0074] Data interface 3 supports LIN bus and CAN bus protocols.

[0075] The data acquisition module 4 collects vehicle operation data obtained by external sensors through the data interface 3, wherein the vehicle operation data is transmitted to the FPGA of the data acquisition module 4 through the CAN bus and LIN bus of the data interface 3 for formatting and integration, and the formatted and integrated data is transmitted by the FPGA to the data storage module 5 for encrypted storage.

[0076] The data storage module 5 uses a high-reliability memory to store the collected multi-source data, and the data storage module 5 adopts multiple encryption technologies, which has anti-tampering and anti-counterfeiting functions. High-reliability memories such as NAND Flash and SDRAM support multiple writes and are shock-resistant and pressure-resistant. Here is why the data can be made complete from the perspective of storage design. In addition to the design of the shell, data storage is also an important point to achieve data protection.

[0077] The data storage module 5 is connected to the data acquisition module 4 via a high-speed SPI interface, and is also used to receive and store data in real time after the connection.

[0078] The data storage module 5 also integrates a power-off protection circuit to ensure that data can be written completely when the power is cut off.

[0079] The data storage module 5 adopts a data backup mechanism, under which all data are written into the main storage chip and the backup storage chip at the same time.

[0080] The data storage module 5 and the data output port 6 are designed to be separated, and the separation design is used to ensure that physical damage will not cause data leakage.

[0081] The data storage module 5 is also provided with an accident triggering protection mechanism, which is used for the system to automatically encrypt current data and lock the memory when an external collision or fire is triggered.

[0082] Optionally, the data output port 6 is used to provide data transmission and output functions, and supports cloud upload and physical device connection.

[0083] The data transmitted in the data output port 6 is uploaded to the cloud in real time through the wireless channel, or exported to the PC through the UART interface / USB port.

[0084] Example 3

[0085] The first is the data collection stage.

[0086] The external sensor transmits the signal to the data acquisition module 4 through the data interface 3. The data acquisition module 4 processes the sensor signal in real time and transmits the information to the data storage module 5 through a high-speed bus.

[0087] The second is the data storage stage.

[0088] The collected data is encrypted by the data storage module 5 and written according to the logical structure, that is, the data storage has multiple layers of encryption circuits and write priority design.

[0089] The second is the data transmission and output stage.

[0090] After the data is stored, it is uploaded to the cloud through the data output port 6 or exported through the data output port 6. It supports 4G / 5G network connection, and the physical port supports USB and Ethernet connection.

[0091] There is also extreme environmental protection. The protective housing 1 protects the entire system from damage in extreme conditions such as high temperature, shock or deep water, ensuring data integrity.

[0092] In summary, through various embodiments, it can be understood that the present application brings at least the following technical effects.

[0093] High reliability, using aviation-grade protective shell to ensure the data integrity of the equipment in extreme environments; multi-dimensional data acquisition and integration, through the coordinated work of signal conditioning circuits, A / D converters and FPGAs, to achieve the integration and processing of multi-dimensional and multi-source data; independence and transparency, providing third-party independent data output support through wireless channels and multiple physical interfaces to solve the problem that the existing system cannot provide independent evidence; efficient transmission and storage, the data storage module adopts a layered encryption storage design to ensure data security, and supports multiple transmission methods to quickly export data. This system not only improves the reliability and independence of vehicle data recording, but also provides strong accident judgment support for unmanned vehicles and low-altitude aircraft.

[0094] The present application also provides a vehicle-mounted black box data protection method. This embodiment is described by taking the method used in a vehicle-mounted black box data protection system provided in the above embodiment as an example. The method includes:

[0095] When the vehicle is started, the wireless charging system begins to supply power and an on-board black box data protection system begins to initialize.

[0096] Detect the status of external sensors through the data interface and confirm the connection integrity of the data acquisition module.

[0097] By receiving real-time data from external sensors and analyzing the external environment through the data acquisition module, the system automatically enters a long-term monitoring state.

[0098] The vehicle operation data transmitted from the data interface is collected through the data acquisition module.

[0099] The collected vehicle operation data is transmitted back to the data acquisition module through the data interface for formatting and integration.

[0100] The vehicle operation data is preprocessed through the data acquisition module.

[0101] The processed vehicle operation data is encrypted and stored through the data storage module.

[0102] Upload the encrypted data to the cloud or physical device through the data output port.

[0103] Optionally, the method also includes emergency measures in case of accidents.

[0104] In case of system power failure or severe impact, the power failure protection mechanism in the data storage module is activated.

[0105] Automatically lock data at preset time before and after the accident.

[0106] Export data through the data output port for third-party analysis.

[0107] This solves the problem that the existing system cannot provide independent evidence, and can efficiently transmit and store data, ensure data security in the event of an accident, and support multiple transmission methods to quickly export data. This system not only improves the reliability and independence of vehicle data recording, but also provides strong accident judgment support for the fields of unmanned vehicles and low-altitude aircraft.

[0108] An embodiment of the present application also provides a computer-readable medium storing at least one instruction, wherein the at least one instruction is loaded and executed by the processor to implement a vehicle-mounted black box data protection method as described in the above embodiments.

[0109] The above description is only an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A vehicle-mounted black box data protection system, characterized in that: The system comprises: a protective housing (1), a wireless charging system (2), a data interface (3), a data acquisition module (4), a data storage module (5), and a data output port (6), wherein the wireless charging system (2) is provided with a charging coil and an internal circuit, and the data acquisition module (4) is provided with a signal conditioning circuit, an A / D converter, and an FPGA; The data interface (3) is used to connect an external sensor and communicate with the data acquisition module (4); the signal output by the external sensor is pre-processed by the signal conditioning circuit and converted into a digital signal by the A / D converter and then sent to the data storage module (5); and finally the data acquisition and storage process is coordinated by the FPGA; The data storage module (5) is connected to the data output port (6) via an internal bus, and the data output port (6) is used to provide data transmission and output functions and supports cloud upload and physical device connection; The wireless charging system (2) is used to provide power for the entire system, the charging coil is connected to the internal circuit, and the wireless charging system (2) is also used to regulate and distribute the power to the data acquisition module (4), the data storage module (5) and the data output port (6); The protective shell (1) is made of aviation-grade black box material and is used to protect all internal structures.

2. The vehicle-mounted black box data protection system according to claim 1, characterized in that: The protective shell (1) adopts a layered design, including an explosion-proof pressure shell structure, an intermediate impact-resistant layer and an inner electromagnetic shielding layer; The middle impact-resistant layer is made of high-energy absorbing material to absorb external impact energy; the inner electromagnetic shielding layer is used to prevent strong electromagnetic interference from affecting the normal operation of internal electronic equipment; The seams of the protective shell (1) are made of high-strength sealing material; The protective housing (1) also has heat dissipation holes and data interface openings reserved on the housing to ensure smooth data transmission; The protective housing (1) is integrated with a high-efficiency heat sink and heat-insulating materials to ensure that the internal temperature does not exceed the tolerance range of the electronic components under high temperature conditions.

3. The vehicle-mounted black box data protection system according to claim 1, characterized in that: The wireless charging system (2), the data interface (3), the data acquisition module (4), the data storage module (5) and the data output port (6) are installed in a seismic suspension manner and are connected to the protective housing (1) via a flexible material, wherein the flexible material is used to reduce the direct force of external vibration and impact on the interior; The wireless charging system (2), data interface (3), data acquisition module (4), data storage module (5) and data output port (6) adopt an independent compartment layout, and the independent compartment layout is used to ensure that damage to each component will not affect the functions of other components.

4. The vehicle-mounted black box data protection system according to claim 1, characterized in that: The wireless charging system (2) uses electromagnetic induction technology to provide power without removing the housing; In the structural design of the electromagnetic induction technology application, a part of the protective housing (1) is formed of a non-metallic material to form a non-metallic area, and the non-metallic material is used to allow the magnetic field of the external charging device to penetrate; a secondary charging coil is embedded inside the non-metallic area, and the secondary charging coil is aligned with the primary coil of the external charging device to achieve energy transfer; A rectifier circuit and a voltage regulator circuit are also provided immediately after the secondary charging coil and are integrated together in the wireless charging system (2). The rectifier circuit and the voltage regulator circuit are used to convert the induced alternating current into direct current and supply power to various modules of the system.

5. The vehicle-mounted black box data protection system according to claim 1, characterized in that: The data interface (3) supports LIN bus and CAN bus protocols.

6. The vehicle-mounted black box data protection system according to claim 5, characterized in that: The data acquisition module (4) acquires the vehicle operation data obtained by the external sensor through the data interface (3), wherein the vehicle operation data is transmitted to the FPGA of the data acquisition module (4) through the CAN bus and the LIN bus of the data interface (3) for formatting and integration, and the formatted and integrated data is transmitted by the FPGA to the data storage module (5) for encrypted storage.

7. The vehicle-mounted black box data protection system according to claim 1, characterized in that: The data storage module (5) uses a high-reliability memory to store the collected multi-source data, and the data storage module (5) adopts multiple encryption technologies and has anti-tampering and anti-counterfeiting functions; The data storage module (5) is connected to the data acquisition module (4) via a high-speed SPI interface, and is also used to receive and store data in real time after the connection; The data storage module (5) also integrates a power-off protection circuit, so that data can still be written completely when the power is cut off; The data storage module (5) adopts a data backup mechanism, under which all data are simultaneously written into the main storage chip and the backup storage chip; The data storage module (5) and the data output port (6) are designed to be separated, and the separation design is used to ensure that physical damage will not lead to data leakage; The data storage module (5) is also provided with an accident triggering protection mechanism, which is used for the system to automatically encrypt current data and lock the memory when an external collision or fire is triggered.

8. The vehicle-mounted black box data protection system according to claim 1, characterized in that: The data output port (6) is used to provide data transmission and output functions, and supports cloud upload and physical device connection; The data transmitted in the data output port (6) is uploaded to the cloud in real time via a wireless channel, or exported to a PC via a UART interface / USB port.

9. A vehicle-mounted black box data protection method, characterized in that: The method is used for a vehicle-mounted black box data protection system according to any one of claims 1 to 8, and the method comprises: When the vehicle is started, the wireless charging system starts to supply power, and the vehicle-mounted black box data protection system starts to initialize; Detecting the state of the external sensor through the data interface and confirming the connection integrity of the data acquisition module; By receiving the real-time data of the external sensor and analyzing the external environment through the data acquisition module, the system automatically enters a long-term monitoring state; Collecting vehicle operation data transmitted from the data interface through the data acquisition module; The collected vehicle operation data is transmitted back to the data collection module through the data interface for formatting and integration; Preprocessing the vehicle operation data by the data acquisition module; Encrypting and storing the processed vehicle operation data by the data storage module; Upload the encrypted data to the cloud or physical device through the data output port.

10. The method according to claim 9, characterized in that The method further comprises: In case of system power failure or severe impact, a power failure protection mechanism in the data storage module is activated; Automatically lock the data of the preset time before and after the accident; Export data through the data output port for third-party analysis.

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